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#11 | |
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Join Date: Jun 2002
Location: Hay River Township, WI
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squirl033 wrote:
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Sorry to get you back to worrying, but keep in mind that you need light to take a picture. Autofocus is likely to fail before the minimum amount of light needed to take a picture (using a tripod) with any camera/lens combination. I am starting to dosome tests, but my impression is that my KM 5d will focus in any light that I can hand-hold even with the Anti Shake and ISO3200. |
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#12 |
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Join Date: Nov 2004
Posts: 3,599
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Pish and tosh.
The 20D AF is head and shoulders above everything else (including the D200 if early reports are correct) until you get to the next level of Canons 1 & 5 series and Nikons 2-series. I even have photos of black cats in coal cellars taken at midnight during a lunar eclipse (did I mention the power blackout?) with available light to prove it! :blah: The AF worked just fine. |
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#13 | |
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Join Date: Jun 2002
Location: Hay River Township, WI
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peripatetic wrote:
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Didn't mean to suggest that the KM 5d is the best camera in the world - that title is held by the Acme 3000. Not only can ittake a photo ofa black cat in a coal cellar, but also of a blackcat in a black hole and wirelessly transmit it via Hawkins radiation. It does work best when shooting Schrodinger's cat. |
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#14 | ||
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Join Date: Dec 2004
Posts: 6,915
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Norm in Fujino wrote:
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#15 | |
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Join Date: Dec 2004
Posts: 6,915
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BillDrew wrote:
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#16 | |
Administrator
Join Date: Jun 2003
Location: Savannah, GA (USA)
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squirl033 wrote:
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Most lenses are not as sharp wide open, and some of the cheaper long zooms on the market can have problems in less than optimum lighting. Not only do you have less light reaching the sensor through the lens with a lens that has a maximum aperture of f/5.6 if that's the max at the focal length your using, but cheaper zooms tend to be a bit soft there, too. So, this lack of light, combined with softness wide open (and an AF camera will always focus at wide open aperture), can cause some AF hunting. In most outdoor conditions, you'll be fine. But, AF speed can vary significantly between lenses, because of brightness, sharpness and gearing. A longer lens will also mean that you'll have more camera shake (and that can impact the AF sensors' ability to see). All of those things combined can cause difficulties in some conditions. It's best to make sure you ask about any lenses you consider to get opinions from others on it's suitability to a given task. There are a lot of cheap lenses on the market, and there are things other than just the maximum available aperture to consider, too. |
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#17 | |
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Join Date: Dec 2004
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bobbyz wrote:
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